<template>
  <div class="layout-padding">
    <div class="layout-padding-auto layout-padding-view">
      <!-- 操作按钮 -->
      <el-row>
        <div class="mb8" style="width: 100%">
          <el-button 
            icon="Plus" 
            type="primary" 
            @click="formDialogRef.openDialog()">
            新增
          </el-button>
          <right-toolbar  
            v-model:showSearch="showSearch" 
            class="ml10 mr20"
            style="float: right;"
            @queryTable="getDataList">
            <TableColumnControl
              ref="columnControlRef"
              :columns="tableColumns"
              v-model="visibleColumns"
              trigger-type="default"
              trigger-circle
              @change="handleColumnChange"
              @order-change="handleColumnOrderChange"
            >
              <template #trigger>
                <el-tooltip class="item" effect="dark" content="列设置" placement="top">
                  <el-button circle style="margin-left: 0;">
                    <el-icon><Menu /></el-icon>
                  </el-button>
                </el-tooltip>
              </template>
            </TableColumnControl>
          </right-toolbar>
        </div>
      </el-row>

      <!-- 表格 -->
      <el-table 
        :data="state.dataList" 
        v-loading="state.loading"
        border 
        :cell-style="tableStyle.cellStyle"
        :header-cell-style="tableStyle.headerCellStyle">
        <el-table-column type="index" label="序号" width="60" align="center">
          <template #header>
            <el-icon><List /></el-icon>
          </template>
        </el-table-column>
        <el-table-column 
          v-for="col in visibleColumnsSorted" 
          :key="col.prop"
          :prop="col.prop" 
          :label="col.label" 
          :width="col.width"
          :min-width="col.minWidth"
          :show-overflow-tooltip="col.showOverflowTooltip !== false"
          :align="col.align || 'center'">
          <template #header>
            <el-icon v-if="col.icon"><component :is="col.icon" /></el-icon>
            <span :style="{ marginLeft: col.icon ? '4px' : '0' }">{{ col.label }}</span>
          </template>
          <template #default="scope" v-if="col.prop === 'maxSub'">
            <el-tag v-if="scope.row.maxSub" size="small" type="success" effect="plain">
              {{ scope.row.maxSub }}
            </el-tag>
            <span v-else>-</span>
          </template>
          <template #default="scope" v-else-if="col.prop === 'startTime'">
            <span>{{ parseTime(scope.row.startTime, '{y}-{m}-{d}') }}</span>
          </template>
          <template #default="scope" v-else-if="col.prop === 'endTime'">
            <span>{{ parseTime(scope.row.endTime, '{y}-{m}-{d}') }}</span>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="300" align="center" fixed="right">
          <template #header>
            <el-icon><Setting /></el-icon>
            <span style="margin-left: 4px">操作</span>
          </template>
          <template #default="scope">
            <el-button 
              icon="View" 
              text 
              type="primary" 
              @click="handleView(scope.row)">
              查看详情
            </el-button>
            <el-button 
              icon="Upload" 
              text 
              type="success" 
              @click="handleImportSub(scope.row)">
              导入子项目
            </el-button>
            <el-button 
              icon="Edit" 
              text 
              type="primary" 
              @click="handleEdit(scope.row)">
              编辑
            </el-button>
            <el-button 
              icon="Delete" 
              text 
              type="danger" 
              @click="handleDelete(scope.row)">
              删除
            </el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页 -->
      <pagination 
        @size-change="sizeChangeHandle" 
        @current-change="currentChangeHandle" 
        v-bind="state.pagination" />
    </div>

    <!-- 新增/编辑表单弹窗 -->
    <form-dialog ref="formDialogRef" @refresh="getDataList" />
    
    <!-- 查看详情弹窗 -->
    <detail-dialog ref="detailDialogRef" />
    
    <!-- 导入子项目弹窗 -->
    <el-dialog 
      title="导入子项目" 
      v-model="importDialogVisible" 
      :width="500" 
      :close-on-click-modal="false" 
      draggable>
      <div style="margin-bottom: 15px;">
        <el-text>活动主题：{{ currentActivity?.activityTheme || '-' }}</el-text>
      </div>
      <el-upload
        ref="uploadRef"
        :auto-upload="false"
        :on-change="handleFileChange"
        :limit="1"
        accept=".xlsx,.xls"
        drag>
        <el-icon class="el-icon--upload"><upload-filled /></el-icon>
        <div class="el-upload__text">
          将文件拖到此处，或<em>点击上传</em>
        </div>
        <template #tip>
          <div class="el-upload__tip">
            只能上传 xlsx/xls 文件
          </div>
        </template>
      </el-upload>
      <template #footer>
        <span class="dialog-footer">
          <el-button @click="importDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="handleImportSubmit" :disabled="!importFile || importLoading">确 认</el-button>
        </span>
      </template>
    </el-dialog>
  </div>
</template>

<script setup lang="ts" name="ActivityInfo">
import { reactive, ref, computed } from 'vue'
import { useRoute } from 'vue-router'
import { BasicTableProps, useTable } from "/@/hooks/table";
import { fetchList, delObj, importSub } from "/@/api/stuwork/activityinfo";
import { useMessage, useMessageBox } from "/@/hooks/message";
import { parseTime } from "/@/utils/formatTime";
import TableColumnControl from '/@/components/TableColumnControl/index.vue'
import { UploadFilled, List, Trophy, Document, UserFilled, Calendar, Setting, Menu } from '@element-plus/icons-vue'
import FormDialog from './form.vue'
import DetailDialog from './detail.vue'

// 定义变量内容
const route = useRoute()
const formDialogRef = ref()
const detailDialogRef = ref()
const uploadRef = ref()
const columnControlRef = ref()
const showSearch = ref(false)
const importDialogVisible = ref(false)
const importFile = ref<File | null>(null)
const importLoading = ref(false)
const currentActivity = ref<any>(null)

// 表格列配置
const tableColumns = [
  { prop: 'activityTheme', label: '活动主题', icon: Trophy, minWidth: 200 },
  { prop: 'remarks', label: '活动说明', icon: Document, minWidth: 300 },
  { prop: 'maxSub', label: '活动兼报数', icon: UserFilled, width: 120 },
  { prop: 'startTime', label: '开始时间', icon: Calendar, width: 120 },
  { prop: 'endTime', label: '结束时间', icon: Calendar, width: 120 }
]

// 当前显示的列
const visibleColumns = ref<string[]>([])
// 列排序顺序
const columnOrder = ref<string[]>([])

// 立即从 localStorage 加载配置
const loadSavedConfig = () => {
  const routePath = route.path.replace(/^\//, '').replace(/\//g, '-')
  const storageKey = `table-columns-${routePath}`
  const saved = localStorage.getItem(storageKey)
  if (saved) {
    try {
      const savedColumns = JSON.parse(saved)
      const validColumns = tableColumns.map(col => col.prop || col.label)
      const filteredSaved = savedColumns.filter((col: string) => validColumns.includes(col))
      visibleColumns.value = filteredSaved.length > 0 ? filteredSaved : validColumns
    } catch (e) {
      visibleColumns.value = tableColumns.map(col => col.prop || col.label)
    }
  } else {
    visibleColumns.value = tableColumns.map(col => col.prop || col.label)
  }
  
  const orderKey = `${storageKey}-order`
  const savedOrder = localStorage.getItem(orderKey)
  if (savedOrder) {
    try {
      const parsedOrder = JSON.parse(savedOrder)
      const validColumns = tableColumns.map(col => col.prop || col.label)
      columnOrder.value = parsedOrder.filter((key: string) => validColumns.includes(key))
      validColumns.forEach(key => {
        if (!columnOrder.value.includes(key)) {
          columnOrder.value.push(key)
        }
      })
    } catch (e) {
      columnOrder.value = tableColumns.map(col => col.prop || col.label)
    }
  } else {
    columnOrder.value = tableColumns.map(col => col.prop || col.label)
  }
}

// 列变化处理
const handleColumnChange = (value: string[]) => {
  visibleColumns.value = value
  const routePath = route.path.replace(/^\//, '').replace(/\//g, '-')
  const storageKey = `table-columns-${routePath}`
  const selectableColumns = value.filter(col => {
    const column = tableColumns.find(c => (c.prop || c.label) === col)
    return column && !column.alwaysShow && !column.fixed
  })
  localStorage.setItem(storageKey, JSON.stringify(selectableColumns))
}

// 列排序变化处理
const handleColumnOrderChange = (order: string[]) => {
  columnOrder.value = order
  const routePath = route.path.replace(/^\//, '').replace(/\//g, '-')
  const storageKey = `table-columns-${routePath}`
  localStorage.setItem(`${storageKey}-order`, JSON.stringify(order))
}

// 排序后的表格列
const visibleColumnsSorted = computed(() => {
  const columns = tableColumns.filter(col => {
    const key = col.prop || col.label
    return visibleColumns.value.includes(key)
  })
  
  if (columnOrder.value.length > 0) {
    const orderedColumns: any[] = []
    const unorderedColumns: any[] = []
    
    columnOrder.value.forEach(key => {
      const col = columns.find(c => (c.prop || c.label) === key)
      if (col) {
        orderedColumns.push(col)
      }
    })
    
    columns.forEach(col => {
      const key = col.prop || col.label
      if (!columnOrder.value.includes(key)) {
        unorderedColumns.push(col)
      }
    })
    
    return [...orderedColumns, ...unorderedColumns]
  }
  
  return columns
})

// 表格样式
const tableStyle = {
  cellStyle: { padding: '8px 0' },
  headerCellStyle: { background: '#f5f7fa', color: '#606266', fontWeight: 'bold' }
}

// 配置 useTable
const state: BasicTableProps = reactive<BasicTableProps>({
  queryForm: {},
  pageList: fetchList,
  props: {
    item: 'records',
    totalCount: 'total'
  },
  createdIsNeed: true // 页面加载时自动获取数据
})

// table hook
const {
  getDataList,
  currentChangeHandle,
  sizeChangeHandle,
  tableStyle: _tableStyle
} = useTable(state)

// 查看详情
const handleView = (row: any) => {
  detailDialogRef.value?.openDialog(row.id)
}

// 编辑
const handleEdit = (row: any) => {
  formDialogRef.value?.openDialog('edit', row)
}

// 删除
const handleDelete = async (row: any) => {
  const { confirm } = useMessageBox()
  try {
    await confirm('确定要删除该活动吗？')
    await delObj([row.id])
    useMessage().success('删除成功')
    getDataList()
  } catch (err: any) {
    if (err !== 'cancel') {
      useMessage().error(err.msg || '删除失败')
    }
  }
}

// 导入子项目
const handleImportSub = (row: any) => {
  currentActivity.value = row
  importFile.value = null
  importDialogVisible.value = true
  uploadRef.value?.clearFiles()
}

// 文件变化
const handleFileChange = (file: any) => {
  importFile.value = file.raw
}

// 提交导入
const handleImportSubmit = async () => {
  if (!importFile.value) {
    useMessage().warning('请选择要上传的文件！')
    return
  }
  
  if (!currentActivity.value?.id) {
    useMessage().warning('活动信息不存在！')
    return
  }
  
  importLoading.value = true
  try {
    await importSub(currentActivity.value.id, importFile.value)
    useMessage().success('导入成功')
    importDialogVisible.value = false
    importFile.value = null
    uploadRef.value?.clearFiles()
  } catch (err: any) {
    useMessage().error(err.msg || '导入失败')
  } finally {
    importLoading.value = false
  }
}
</script>

<style scoped lang="scss">
</style>

